CN201443928U - Liquid refrigerant harmonizing system and liquid refrigerant injection nozzle for same - Google Patents
Liquid refrigerant harmonizing system and liquid refrigerant injection nozzle for same Download PDFInfo
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- CN201443928U CN201443928U CN2008202073878U CN200820207387U CN201443928U CN 201443928 U CN201443928 U CN 201443928U CN 2008202073878 U CN2008202073878 U CN 2008202073878U CN 200820207387 U CN200820207387 U CN 200820207387U CN 201443928 U CN201443928 U CN 201443928U
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- liquid refrigerant
- nozzle
- injectors
- cooling chamber
- hot fluid
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Abstract
The utility model relates to a liquid refrigerant harmonizing system and a liquid refrigerant injection nozzle for the same. The liquid refrigerant harmonizing system comprises a shell, a plurality of injectors and a liquid refrigerant flow loop, wherein the shell is used to limit a cooling chamber; the plurality of injectors are arranged in the cooling chamber and are used to inject the liquid refrigerant into the cooling chamber; and the liquid refrigerant flow loop is used to connect a liquid refrigerant source with the plurality of injectors to enable the liquid refrigerant to be injected into the cooling chamber. Moreover, the liquid refrigerant harmonizing system additionally comprises a thermal fluid flow loop and a controller, wherein the thermal fluid flow loop is used to connect a thermal fluid source with the plurality of injectors; and the controller is used to operationally control the liquid refrigerant to be injected into the cooling chamber from the plurality of injectors and to continuously control thermal fluid to flow into the plurality of injectors to keep the temperature of the plurality of injectors within the preset temperature range.
Description
Technical field
The utility model relates to and is used for being in harmonious proportion or the system and method for mixing arrangement cooling products or material, and particularly relates to and a kind ofly be in harmonious proportion the system and the spraying equipment of atomizing of liquids cold-producing medium in device or the mixer apparatus.
Background technology
Though using liquid nitrogen in mediation device or mixer apparatus is not novel as cooling medium, also there are many challenges in the technology as can commercial obtaining.A kind of such challenge comes from following common recognition, promptly needs liquid nitrogen is sprayed or deposition near cooled product, perhaps enters this cooled product, thereby makes maximizes heat transfer.Because this injection needs, there are two key issues in prior art nitrogen spraying system, promptly nozzle because nozzle or injector body became the cold fault that causes, perhaps the local excessive of the close liquid nitrogen eject position of product is freezing.Difference injection structure and the configuration considered in the past attempt to overcome this problem, but achievement is limited.
What therefore need is that a kind of simple and efficient next liquid refrigerant by for example liquid nitrogen of device cools off the product in mediation or the mixing arrangement, reduces adverse effect, and overcomes the defective in the prior art systems.
Summary of the invention
Mediation or the hybrid system that is characterised in that a kind of based on liquid refrigerant of the present utility model.This system comprises: the housing that limits cooling chamber; Be arranged in the cooling chamber and be applicable to a plurality of injectors that liquid refrigerant are ejected into cooling chamber; Be applicable to and the liquid refrigerant source be connected on a plurality of injectors so that be ejected into liquid refrigerant in the cooling chamber loop of flowing; Be applicable to the gas flow loop that gas source is connected with a plurality of injectors; And be applicable to that operationally controlling liquid refrigerant is ejected into cooling chamber and continuous control gas flows to a plurality of injectors so that a plurality of injectors are remained on the controller of predetermined temperature range from a plurality of injectors.
On the other hand, of the present utility model being characterised in that a kind ofly is used to be in harmonious proportion or the liquid refrigerant nozzle of hybrid system, comprising: limit and connect the near-end that is positioned at nozzle body so that receive first opening of liquid refrigerant and be positioned at the far-end of nozzle body so that liquid refrigerant is transported to the nozzle body of flow path of second opening of mediation system; Around the distance sleeve that the nozzle body of the outer surface that limits nozzle is arranged, distance sleeve is applicable to thermal fluid circulation therein, so that the outer surface of nozzle is remained on predetermined temperature range.
At last, of the present utility model being characterised in that a kind ofly introduced the method for mediation system with liquid refrigerant, comprises the steps: via a plurality of nozzles liquid refrigerant to be ejected into cooling chamber; And around the continuous recyclegas of nozzle, so that nozzle is remained on predetermined temperature range.
Description of drawings
In conjunction with following accompanying drawing, described and others, feature and advantage of the present utility model will be able to clear from following more detailed description, in the accompanying drawing:
Fig. 1 is the partial sectional view in conjunction with mediation of the present utility model or mixing apparatus;
Fig. 2 is the sectional view according to the embodiment of preferred nozzle of the present utility model;
Fig. 3 is the liquid refrigerant relevant with the utility model preferred embodiment and the schematic diagram of gas flow interconnection;
Fig. 4 is the perspective view according to the embodiment of refrigerant injection nozzle of the present utility model;
Fig. 5 is the more detailed partial view of the refrigerant injection nozzle of Fig. 4; And
Fig. 6 is the perspective view according to the selected embodiment of refrigerant injection nozzle of the present utility model.
The corresponding label that is used for different accompanying drawings is used for describing identical or similar parts.
The specific embodiment
With reference now to Fig. 1,, expression is in conjunction with the view of mediation of the present utility model or hybrid system 10.Here see that mediation system 10 comprises limiting cooling chamber 12 and being applicable to and mixes or the blender of mediation different product or the device housing 11 that is in harmonious proportion.System 10 also comprises having the layout liquid refrigerant loop 16 wherein and the cold-producing medium manifold 14 of a plurality of parts of thermal fluid loop 17.What extend to cooling chamber 12 from manifold 14 is a plurality of refrigerant injection nozzles 20.System 10 also comprises and operationally controls the control system 50 that liquid refrigerant flows through liquid refrigerant loop 16 and flow of heated fluid superheated fluid loop 17 and liquid refrigerant and hot fluid is ejected into periodically cooling chamber 12 via nozzle 20.In the embodiment shown, thermal fluid loop 17 comprises hot fluid supply loop 18 and hot fluid return loop 19.
When liquid nitrogen was used as cooling medium, liquid nitrogen needed to spray or deposition near cooled product, so that make cold transmission maximize.Therefore, in the embodiment shown, nozzle 20 extends to chamber 12 from manifold 14 and arrives near the height of products in the chambers 12 or the predetermined altitude or following position.The preferred disposition of nozzle 20 is to be positioned at the position of nozzle tip below the product height of the mixing chamber 12 of mediation device system 10.This configuration makes the liquid refrigerant that sprays from nozzle 20 pass circulation or motion in product and the product in mixing chamber as far as possible longways, makes cold transmission maximize thus.
In blender that comprises two axles as shown in Figure 1 or mediation device system 10, comprise that manifold 14 centerings of liquid refrigerant are arranged, when the product in cooling chamber 12 rotates towards the center of mixer case 11, make liquid refrigerant be ejected in the product.Equally, nozzle 20 extends downwards from manifold 14, makes product center on nozzle tip and flows.For the purpose of safety and health, the other parts of manifold 14 and all feed-lines and liquid refrigerant loop 16 and thermal fluid loop 17 remain on the product height.
Though not shown, nozzle in the blender of single axis and associated components preferably are positioned as and make the liquid refrigerant and the product that spray move in the downward process of rotational motion together.As selection, nozzle arrangement also can comprise the position on housing sidepiece or the bottom.This sidepiece and bottom nozzle configuration can need selectable mobile control scheme, particularly for thermal fluid loop, so that keep the nozzle normal running.
With reference now to Fig. 2,, expression is applicable to the schematic diagram of the nozzle 20 in the presently disclosed system.Shown nozzle 20 comprises top 21 with near-end 22 and the bottom 23 that limits far-end 24.The top 21 of nozzle 20 is arranged in the cold-producing medium manifold 14 or fixes on it.Bottom 23 extends in mixing or the mediation chamber, and wherein the far-end 24 of nozzle 20 is arranged or is in contact with it near the products that will be frozen.
Shown in Fig. 2,4,5 and 6, nozzle 20 comprises inside or center arrangement pipe 25, and pipe 25 is applicable to via manifold 14 and receives liquid refrigerant from liquid refrigerant source (not shown), and liquid refrigerant is transported to mixes or be in harmonious proportion spray site in the chamber.Inside or center arrangement pipe 25 comprise the near-end 22 that is positioned at nozzle 20 so that 16 receive first opening 26, the main part 27 of liquid refrigerants and be positioned at the far-end 24 of nozzle 20 and be in harmonious proportion second opening 28 of chamber so that liquid refrigerant is transported to from the liquid refrigerant loop.
Describe in detail more like that as following, but central portion be in charge of 25 also fluid be connected on the thermal fluid loop so that by preferably for example the hot fluid of the gas of nitrogen steam spray in advance or the back injection for inside or center arrangement pipe 25 provide controlled.
Fig. 4-6 expression be applicable to current system mix or attemperation apparatus in the specific embodiment of refrigerant injection nozzle of atomizing of liquids cold-producing medium.As shown here, each injector assembly comprises housing or the manifold 14 that holds three refrigerant lines and a plurality of nozzle 20, and wherein near-end 22 fluids of each nozzle are connected on the liquid refrigerant loop 16.In addition, each nozzle 20 is gone back separate connection on hot fluid supply loop 18 and hot fluid return loop 19.
Refer back to Fig. 3, represent the overall flow schematic diagram relevant with the embodiment of whole spraying system 10.System 10 comprises a plurality of nozzles 20, and each nozzle is communicated with liquid refrigerant loop 16 and thermal fluid loop 17 fluids.
Shown in schematic diagram in, liquid refrigerant loop 16 comprises liquid refrigerant source 52 and is arranged in liquid refrigerant source 52 and is in harmonious proportion major control valve 54 between device or the mixer apparatus.Major control valve 54 is operably connected on the control system 50 so that when in case of emergency cutting out automatically in system 10 or occurring cutting out liquid refrigerant streams under other predetermined situation that relates to safety or operation.Liquid refrigerant loop 16 also comprises a plurality of liquid refrigerant conduits 56,57, and each conduit is relevant with one or more nozzle 20, and is arranged in the downstream of major control valve 54.
In the embodiment shown, have two liquid refrigerant conduits 56,57, each conduit is connected on the nozzle 20 shown in a pair of.Liquid refrigerant loop 16 also comprises injection control valve 58,59, and it is operationally relevant with each liquid refrigerant conduit 56,57 that each control valve is arranged to.Each injection control valve 58,59 is operationally controlled by control system 50, with response user setting, user instruction and relevant system operating parameters.
As mentioned above, hot fluid conduit 17 comprises hot fluid supply loop 18 and hot fluid return loop 19.Hot fluid supply loop 18 also comprises fluid (being nitrogen in this case) feeding mechanism 60, and main shut-off valve 62.Main shut-off valve 62 is operably connected on the control system 50, so that when in case of emergency closing automatically in system 10 or occurring turn-offing nitrogen or other fluid stream under other predetermined situation that relates to safety or operation.Gas control valve 64 and fluid heater element 66 equally preferably are arranged in the hot fluid supply loop 18, so that control the mobile and temperature of the hot fluid of the outer sleeve of going to each nozzle 20.Gas control valve 64 and heating element 66 are also operationally controlled by control system, with responding system instruction and operating parameter.
Hot fluid supply loop 18 also comprises one or more hot fluid spray circuits 70,72, and nitrogen is diverted to liquid refrigerant loop 16 from hot fluid supply loop 18.In each hot fluid spray circuits 70,72, have hot fluid injection control valve 74,76 and prevent that liquid refrigerant is back to the one way stop peturn valve 77,78 in the hot fluid supply loop 17.Be similar to the control valve of gas, hot fluid injection control valve 74,76 is operationally controlled by control system 50, sprays so that begin the injection in advance and/or the back of the gas of selected volume with the appropriate time order via nozzle 20.The quantity of hot fluid spray circuits will with the quantity Matching of liquid refrigerant conduit, make each liquid refrigerant conduit 56,57 be connected on the hot fluid spray circuits 70,72, before liquid refrigerant sprays and/or afterwards, make pipeline and nozzle 20 purge by nitrogen.
Hot fluid return loop 19 comprises relief valve 82 and discharge orifice 84, makes hot fluid be discharged into outside the processing environment or is used for other facility.Can select embodiment and preferred embodiment in some applications to have the thermal fluid loop 17 that forms the closed-loop path.Use the method for closed-loop path, by pump (not shown) or similar EGR, the fluids circulation in the hot fluid return conduit 19 turns back to hot fluid supply loop 18.
In many commercial application, mediation device or blender have exhaust system 90, so that remove owing to liquid refrigerant is ejected into any steam that produces in the interior product of blender.Usually, the steam of discharging can comprise the ability of removing other heat.Therefore, consider the discharging steam is recycled to other factory or facility refrigeration needs, comprise any back mixing apparatus in mediation system 10 downstreams.
From Fig. 3 and associated description, understand to have multiple function or the application relevant with thermal fluid loop 17.At first, flowing through at hot fluid (for example nitrogen) was diverted to the hot fluid spray circuits at 70,72 o'clock by control valve 74 or control valve 76, and nitrogen purges or blows for liquid refrigerant conduit 56,57 and associated nozzles 20 provide.Purging is preferably in liquid refrigerant and carries out (promptly injecting step) in advance before spraying, and perhaps carries out (promptly afterwards injecting step) or two kinds of situations after liquid refrigerant sprays.Injecting step helps cleaning or remove attached to any product on the nozzle tip relevant with particle- liquid coolant conduits 56,57 in advance.Back injecting step preferably is used for from liquid refrigerant conduit 56,57 and any residual refrigerant liquid of associated nozzles 20 cleanings.This prevents the nozzle tip sub-cooled then, and prevents the outer sleeve from the nozzle interior pipe to nozzle and any cold transmission of outer surface.
In addition, thermal fluid loop 17 provides the hot fluid of circulation through the outer sleeve of nozzle 20, preventing that product is freezing or to be attached on the nozzle, and prevents that nozzle body is cold excessively.
The independence control of injection control valve 58,59 is preferred moulds of the presently disclosed system 10 of operation.In independent control scheme, liquid refrigerant (for example liquid nitrogen) sprays to be controlled by control system 50, so that cause liquid refrigerant to flow through injection control valve 58,59 discontinuously in the whole process of product treatment circulation.The spraying cycle that is used for each nozzle can also be stage by stage, makes the liquid refrigerant great majority be transported to chamber 12 via one or more nozzles 20, but not all nozzle atomizing of liquids cold-producing medium together.
As mentioned above, liquid refrigerant circulates in the mode that switches on and off discontinuously via the injection of each nozzle, to avoid continuous injection liquid refrigerant in the entire product processing procedure.The constant liquid that comes from single-nozzle sprays back the local overcooling that causes product, and cause the damage or the degeneration of nozzle performance, its form be nozzle recover and time of relaxing longer.
Can be periodic, perhaps acyclic the circulation timei that switches on and off of spraying via the liquid refrigerant of one or more nozzles.Each preferred duration and other nozzle parameter that switches on and off circulation is provided with by the user, perhaps otherwise is programmed in the control system 50.
Preferably, spray though liquid refrigerant is interrupted via nozzle, hot fluid flows through the outer sleeve of hot fluid supply loop to nozzle in the whole circulation process, so that each nozzle is remained in the predetermined temperature range.Equally, hot fluid (for example nitrogen) is subjected to accurate control via the injection in advance and the back injection of each nozzle, so that occur in suitable disconnection process circulation timei of each nozzle.
Be appreciated that in the book that from the above description presently disclosed system provides a kind of mediation system and the method that is combined with improvement nozzle arrangements and relevant injection control technology based on liquid refrigerant.In a broad sense, this system comprises liquid refrigerant flow loop, heated air flow circuits and be arranged to be applicable to and be ejected in the cooled product effectively liquid refrigerant or neighbouring a plurality of injectors or nozzle.Disclosed system and method also comprises and is applicable to and controls operationally that liquid refrigerant sprays and the continuous control heated air flows to and through the controller of a plurality of injectors.
Can be equally applicable to other refrigeration and mix application though be designed for the current system of food processing application especially, comprise chemistry, biopharmaceutics and biopharmaceutical material and product.In addition, shown in system, method and relative feature can use separately, perhaps be used in combination with other food processing technology and modification.In addition, every kind of input, element or the variable of describing here in each particular step that relates in the disclosed method and the preferred spraying system changes or changes specific products needs or other operating environment and the security limitations of using it to satisfy easily.
In sum, should be understood that therefore the utility model provides a kind of system and method that is used for liquid refrigerant is ejected into the mixing and the system of mediation.Though the utility model of Pi Luing is described by specific embodiment and relative method here, those of ordinary skills can carry out multiple modification and remodeling to it, and do not depart from the scope of the present utility model that proposes in the claims, perhaps do not sacrifice its all material advantage.
Claims (7)
1. a liquid refrigerant is in harmonious proportion system, comprising:
Limit the housing of cooling chamber;
Be arranged in the cooling chamber and be applicable to a plurality of injectors that liquid refrigerant are ejected into cooling chamber; With
Be applicable to and the liquid refrigerant source be connected on a plurality of injectors so that be ejected into liquid refrigerant in the cooling chamber loop of flowing;
Described liquid refrigerant is in harmonious proportion system and is characterised in that also and comprises:
Be applicable to the hot fluid flow loop that hot fluid source is connected with a plurality of injectors; And
Be applicable to operationally control liquid refrigerant from a plurality of injectors be ejected into cooling chamber and continuous control flow of heated fluid to a plurality of injectors so that a plurality of injectors are remained on the controller of predetermined temperature range.
2. the system as claimed in claim 1 is characterized in that, also comprises being arranged in the hot fluid flow loop so that the heater of further heat hot fluid.
3. the system as claimed in claim 1 is characterized in that, liquid refrigerant is a liquid nitrogen, and hot fluid is the nitrogen steam.
4. liquid refrigerant nozzle that is used to the system that is in harmonious proportion comprises:
Limit to connect the near-end that is positioned at nozzle body so that receive first opening of liquid refrigerant and be positioned at the far-end of nozzle body so that liquid refrigerant is transported to the nozzle body of flow path of second opening of mediation system;
Described liquid refrigerant nozzle is characterised in that also and comprises:
Around the outer sleeve that the nozzle body of the outer surface that limits nozzle is arranged, outer sleeve is applicable to thermal fluid circulation therein, so that the outer surface of nozzle is remained on predetermined temperature range.
5. nozzle as claimed in claim 4 is characterized in that outer sleeve also is limited to the annular space between liquid refrigerant pipe and the outer sleeve.
6. nozzle as claimed in claim 4 is characterized in that, outer sleeve also is arranged to directly contact with pipe near far-end.
7. nozzle as claimed in claim 4 is characterized in that, also comprises the intermediate spacer that is arranged between nozzle body and the outer sleeve, so that limit the annular seal space between nozzle body and the outer sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008202073878U CN201443928U (en) | 2008-08-29 | 2008-08-29 | Liquid refrigerant harmonizing system and liquid refrigerant injection nozzle for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008202073878U CN201443928U (en) | 2008-08-29 | 2008-08-29 | Liquid refrigerant harmonizing system and liquid refrigerant injection nozzle for same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201443928U true CN201443928U (en) | 2010-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008202073878U Expired - Fee Related CN201443928U (en) | 2008-08-29 | 2008-08-29 | Liquid refrigerant harmonizing system and liquid refrigerant injection nozzle for same |
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| Country | Link |
|---|---|
| CN (1) | CN201443928U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538384A (en) * | 2010-12-27 | 2012-07-04 | 苏州生物医学工程技术研究所 | Ultrafast liquid cooling system |
-
2008
- 2008-08-29 CN CN2008202073878U patent/CN201443928U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538384A (en) * | 2010-12-27 | 2012-07-04 | 苏州生物医学工程技术研究所 | Ultrafast liquid cooling system |
| CN102538384B (en) * | 2010-12-27 | 2014-07-23 | 苏州生物医学工程技术研究所 | Ultrafast liquid cooling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100428 Termination date: 20120829 |